Strong-Drive® SWD Double-Threaded™ Screw
Exterior Grade. Double-Threaded. Low-Profile. Code Listed. Load Rated.
Code listed for structural applications, the SWD™ has a low-profile head and exterior grade double-barrier coating that provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-tread wood applications.
Applications
Designed for strength and speed, it’s ideal for securing two wood members together on interior or exterior structural jobs. Fasten a variety of connections with ease: beam to post, beam to joist, purlin to truss, guardrail to post, roof to wall, knee bracing, post cap connector replacement, post-frame configurations, and trim for timber multi-ply assemblies.
Available in 2 ½", 3 ½", 6 ¼", 8 ½" and 10 ¾" lengths and in a variety of packaging sizes.
Strong-Drive SWD Double-Threaded Screw
Your go-to exterior structural screw. Like other solutions from Simpson Strong-Tie, the SWD is widely available and backed by our expert service and support.